GoldieBlox filed the first lawsuit last month seeking a court order allowing it to use the online video parody. The video shows young girls singing about engineering. The company said it filed the lawsuit after the band threatened it with litigation over the parody.

The video has since been removed from YouTube.

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GoldieBlox claims the parody wasn't used to sell its product and that it has done nothing illegal.

On Nov. 26, Beastie Boys' members Michael Diamond (Mike D) and Adam Horovitz (Ad-Rock) penned an open letter to the startup company stating their side of the dispute.

Here's the full text of the letter:

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"Like many of the millions of people who have seen your toy commercial 'GoldieBlox, Rube Goldberg & the Beastie Boys,' we were very impressed by the creativity and the message behind your ad.

We strongly support empowering young girls, breaking down gender stereotypes and igniting a passion for technology and engineering.

As creative as it is, make no mistake, your video is an advertisement that is designed to sell a product, and long ago, we made a conscious decision not to permit our music and/or name to be used in product ads. When we tried to simply ask how and why our song “Girls” had been used in your ad without our permission, YOU sued US."